CN105270479B - The sidepiece body Structure of automobile - Google Patents
The sidepiece body Structure of automobile Download PDFInfo
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- CN105270479B CN105270479B CN201510431226.1A CN201510431226A CN105270479B CN 105270479 B CN105270479 B CN 105270479B CN 201510431226 A CN201510431226 A CN 201510431226A CN 105270479 B CN105270479 B CN 105270479B
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- column
- weld part
- ridge line
- line section
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
- B62D21/157—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body for side impacts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/02—Side panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/04—Door pillars ; windshield pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D27/00—Connections between superstructure or understructure sub-units
- B62D27/02—Connections between superstructure or understructure sub-units rigid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D27/00—Connections between superstructure or understructure sub-units
- B62D27/02—Connections between superstructure or understructure sub-units rigid
- B62D27/023—Assembly of structural joints
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Purpose is the sidepiece body Structure for providing a kind of automobile, its seek the load absorption amount in central post ensure and what the overload of weld part to post end inputted prevents, prevent due to side collision load and the weld part of the post end of column wainscot is peeled off.It is characterised by, in column wainscot (14), ridge line section (X1) extends substantially vertically from least one party in roof side rail and side bar (9), it is soldered in column wainscot (14) between column outer panels or the weld part (SW12) and ridge line section (X1) of the post end of side bar (9) or roof side rail, sets and the load of general planar more wider along vehicle fore-and-aft direction width than the above-below direction center side position of central post (12) to transmit suppressing portion (18).
Description
Technical field
The present invention relates to the sidepiece body Structure for the automobile for possessing central post, the upper end engagement of the central post is fixed to
Side bar (roof side rail), bottom engagement is fixed to side bar (side sill), and passes through column outer panels and column
Wainscot forms vertically extending closed section.
Background technology
In general, the sidepiece body Structure as automobile, it is known that construct as shown in fig. 13 that.
I.e., as shown in figure 13, there is side bar outside portion 71, side bar inside portion 72 and side bar reinforcer 73 in lower car body,
The side bar 75 as car body strength part for possessing the side bar closed section 74 along the extension of vehicle fore-and-aft direction, the opposing party are set
Face, there is roof side rail outside portion 76, roof side rail inside portion 77 and roof side rail reinforcer 78 in vehicle body upper portion, setting possesses along vehicle
The roof side rail 80 as car body strength part of the roof side rail closed section 79 of fore-and-aft direction extension.
Furthermore the central post 85 of car body strength part is provided as, its upper end is connected with roof side rail 80, and bottom is connected with
In side bar 75, and formed by column outer panels 81, column wainscot 82 and pillar reinforcement 83 vertically extending
Central post closed section 84.
In the sidepiece body Structure of the automobile shown in Figure 13, as bear side collision load (as collide thing barrier
Hinder load during thing Z collision) construction, make side bar 75 there is not bent central post 85 as shown in dotted line α in figure
The construction of entrance and the construction for deforming the lower knuckle of central post 85 as shown in figure imaginary line β.
The former construction is hardly bent at the collision position of central post 85 in side collision, with the upper end of the central post 85
Portion makes its bottom enter to car indoor as fulcrum, and most of side is born by side bar 75 and lower-body structure and is touched
Hit energy, in this configuration, make the bottom of central post 85 along vehicle fore-and-aft direction it is longer extend, not by the car room of central post 85
Crest line and side bar 75 the connection ground of inner side weld both.But due to making the bottom of central post 85 extend along the longitudinal direction, deposit
The yield rate difference of material when by central post punch process and cost the problem of uprising.
The upper end of central post 85 is welded and fixed to roof side rail 80 by the construction of the latter, and the bottom of central post 85 is welded
Side bar 75 is fixed to, the position (portion that particularly barrier Z position Z1 is collided that barrier Z is touched in side collision
Position) place bends central post 85, side collision energy is absorbed by the bending of the central post 85.
Figure 14 is the side of the sidepiece body Structure for the automobile that latter construction is employed with the state representation from car indoor observation
Face figure, in fig. 14, small empty quadrilateral shape portion represent spot-welding part.
In the existing construction shown in Figure 14, the joint flange portion 82a of the vehicle rear-side of column wainscot 82 passes through multiple
Weld part SW97, SW98, SW99 and pillar reinforcement 83 and column outer panels 81 (reference picture 10) are spot-welded together.
In addition, in the joint flange portion 82b of the vehicle front side of the column wainscot 82 and joint flange portion 82a of vehicle rear-side
Between formed with wainscot main body 82c, formed with edge between the joint flange portion 82a and wainscot main body 82c of vehicle rear-side
The ridge line section X9 of joint flange portion 82a end edge 82d shape, i.e. formed with end edge 82d substantially in parallel vertically
The ridge line section X9 of direction extension.
The structure that Figure 14 central post 85 is subject to side collision load and prevents the car body of car indoor from deforming, is present
Problems with point：Above-mentioned ridge line section X9 rigidity is higher, thus side collision load is transferred to side bar 75 via ridge line section X9, but
If being that the pull-off stress transmitted from ridge line section X9 is very high, the weld part SW99 of post end is peeled off, if the stud end
The weld part SW99 in portion is peeled off, then concomitantly other weld part SW98, SW97 are also peeled off without a break with this, the overall width of central post 85
Direction endurance reduces, inlet increase of the central post 85 to car indoor.
Particularly, in the higher vehicle of higher in overall height such as SUV (SUV) and the ground of side bar 75 height,
Because in the bottom of central post 85, by side collision, thus stress concentration is in the bottom of central post 85, the bottom of central post 85
Weld part SW99 is peeled off due to overload, or is torn off together with the mother metal on periphery.
In addition, in Figure 13, Tu14Zhong, 86 be bottom panel, and 87 be roof panel.
In addition, Patent Document 1 discloses following scheme：The neutrality that will be made up of column wainscot and column outer panels
Post is bonded to the side bar being made up of side bar inside portion and side bar outside portion, makes the multiple ridge line section directions for being formed at column outer panels
Column outer panels and the weld part of side bar outside portion extend, and side collision stress is scattered into multiple welderings via multiple ridgeline portions
Socket part.
However, making ridge line section extend towards weld part at the position of side collision stress concentration, welded from overload protection
Socket part and weld part is not peeled off for this point, there is the opposite effect.
In addition, patent document 2 discloses that following scheme：In upper end, engagement is fixed to roof side rail and bottom engagement is solid
Determine into the central post of side bar, two sides sets multiple for controlling before and after the bottom of the outer reinforcement inside the central post
The through hole of the D-shaped of deformation, the installation root of protection central post bottom.
However, set the through hole of multiple larger D-shapeds at the position of side collision stress concentration, when making side collision in
The car room of the outer reinforcement of column is big into quantitative change, also, because above-mentioned through hole is formed at outer reinforcement, thus can not possibly protect
The weld part of column wainscot is protected, the problem of and weld part big accordingly, there exist the change deformation of column wainscot is easily peeled off.
It is desirable, therefore, to assure that the load absorption amount in central post, and prevent from inputting to the weld part of post end and bear
Lotus.
Patent document 1：No. 5018412 publications of Japanese Patent No.
Patent document 2：International Publication No. WO2010/055589A1
The content of the invention
Here, it is an object of the invention to provide a kind of sidepiece body Structure of automobile, it is ensured that the load in central post is inhaled
Receipts amount, and prevent from inputting overload to the weld part of post end, prevent due to side collision load and column wainscot
The weld part of post end is peeled off.
According to the sidepiece body Structure of the automobile of the present invention, possesses central post, the upper end engagement of the central post is fixed to
Roof side rail, bottom engagement is fixed to side bar, and is located at overall width side by column wainscot and compared with the column wainscot
Column outer panels or pillar reinforcement laterally form vertically extending closed section, in above-mentioned column wainscot,
Ridge line section extends substantially vertically from least one party in above-mentioned roof side rail and above-mentioned side bar, is soldered in above-mentioned column wainscot
The weldering of at least one post end among above-mentioned column outer panels, above-mentioned pillar reinforcement, above-mentioned side bar, above-mentioned roof side rail
Between socket part and above-mentioned ridge line section, set the above-below direction center side position than above-mentioned central post along vehicle fore-and-aft direction width more
Wide and general planar load transmits suppressing portion.
Above-mentioned weld part can also be using spot welding, electric arc welding, laser welding and electron beam or plasma beam
The weld part that is formed of any of welding welding method.
According to above-mentioned composition, by setting the load transmission along vehicle fore-and-aft direction wider width and general planar to suppress
Portion, so as to significantly allow the car indoor of column wainscot to deform by the side collision load via ridge line section transmission,
And reduce the progress to the deformation near weld part, it can be ensured that the load absorption amount in central post, and prevent to stud end
The weld part input overload in portion.
Thus it is possible to increase the load absorption deformation of central post, the deformation of the weld part to post end is set subtract
It is few, it can prevent due to side collision load and the stripping of the weld part of the post end of column wainscot, suppress the car of central post
Inlet increase of the reduction and central post of cross direction endurance to car indoor.
In an embodiment of the invention, between the weld part of above-mentioned ridge line section and above-mentioned post end, formed
Deform the hole portion of interception.
Small hole portion that above-mentioned hole portion is preferably that girth is as far as possible long and aperture area is tried one's best.
According to above-mentioned composition, the weld part along with ridge line section and post end is stopped by the hole portion of above-mentioned deformation interception
The expansion of neighbouring modified difference and towards the post end weld part grow up tree-shaped (finger-like) stress bang path, promote
Load absorption deformation at the hole portion periphery, so as to promote the load absorption of column wainscot to deform, and suppress upward
State the displacement transfer near the weld part of post end.
In an embodiment of the invention, the side bar side of above-mentioned central post above-mentioned post end weld part with
Between above-mentioned ridge line section, the top of above-mentioned hole portion is, before and after the position of the above-mentioned ridge line section side on vehicle fore-and-aft direction and vehicle
The position of the weld part side of above-mentioned post end on direction, which is compared, is formed as small radius of curvature.
According to above-mentioned composition, the side bar side of above-mentioned central post above-mentioned post end weld part and above-mentioned ridge line section it
Between, the top of above-mentioned hole portion is, the position of the above-mentioned ridge line section side on vehicle fore-and-aft direction with it is above-mentioned on vehicle fore-and-aft direction
The position of the weld part side of post end, which is compared, is formed as small radius of curvature, thus stress easily concentrates on the small radius of curvature
Portion, compared with close to the position of above-mentioned hole portion, the deformation at the position can be promoted.
That is, because load-transferring path is from the neutral column load input point side of the ridge line section near the weld part of post end
(that is) extension relative to the weld part of post end up, it is thus possible at the small position of the radius of curvature of above-mentioned hole portion,
The load transmitted is effectively converted into load absorption deformation.
So compared with making the situation that hole portion is positive round shape, the weld part side periphery to post end can be suppressed
Deformation carry out, small hole portion can be formed as, thus the overall width direction endurance of central post caused by the hole portion can also be prevented
Reduction.
In an embodiment of the invention, the roof side rail side of above-mentioned central post above-mentioned post end weld part
Between above-mentioned ridge line section, the top of above-mentioned hole portion is, before the position of the above-mentioned ridge line section side on vehicle fore-and-aft direction and vehicle
The position of the weld part side of the upward above-mentioned post end in rear, which is compared, is formed as small radius of curvature.
According to above-mentioned composition, weld part and above-mentioned ridge line section in the above-mentioned post end of the roof side rail side of above-mentioned central post
Between, the top of above-mentioned hole portion is, the position of the above-mentioned ridge line section side on vehicle fore-and-aft direction with it is upper on vehicle fore-and-aft direction
The position of the weld part side of post end is stated compared to being formed as small radius of curvature, thus stress easily concentrates on the small radius of curvature
Portion, the deformation at the position can be promoted.
That is, because load-transferring path is from the neutral column load input point side of the ridge line section near the weld part of post end
(that is, relative to the weld part of post end in lower section) extension, it is thus possible at the small position of the radius of curvature of above-mentioned hole portion,
The load transmitted is effectively converted into load absorption deformation.
So compared with making the situation that hole portion is positive round shape, the weld part side periphery to post end can be suppressed
Deformation carry out, small hole portion can be formed as, thus the overall width direction endurance of central post caused by also can preventing the hole portion
Reduction.
In an embodiment of the invention, above-mentioned hole portion is stated vertical more up compared with the weld part of above-mentioned post end
The above-below direction center side of post protrudes.
According to above-mentioned composition, above-mentioned hole portion states the above-below direction of column more up compared with the weld part of above-mentioned post end
Center side protrudes, therefore stress easily concentrates on the position, can promote the deformation at the position.That is, load-transferring path is from vertical
Neutral column load input point side (that is, the above-below direction center side of the column) extension of ridge line section near the weld part of column end,
So at the position more prominent than the weld part of above-mentioned hole portion, load-transferring path is first stopped compared with weld part, can be effective
Ground deforms the load conversion of transmission for load absorption.
Thus, with the end of the above-below direction center side of the column of hole portion is set as with the weld part of post end substantially
The situation of equal height is compared, and can suppress the displacement transfer on the weld part periphery to post end.
In addition, on the above-below direction of the column of hole portion, the end of post end side and the weld part of post end are equal
The above it is located at post end side, but is preventing displacement transfer around being preferable in terms of post end.
Thereby, it is possible to promote the load absorption of column wainscot to deform, suppress near the welding to above-mentioned post end
Displacement transfer, and the hole portion of interception will not be externally visibly deformed, it will not also turn into the path of noise or water, it is not necessary to set
Put the lid of its blocking.
Furthermore it is possible to use other panels come make up column wainscot formed hole portion caused by column it is rigid under
Drop, the protection of the rigidity of column and the weld part of post end can be taken into account at more aspects.
In an embodiment of the invention, above-mentioned hole portion is arranged at above-mentioned column wainscot, and by other panels
Blocking.
Thereby, it is possible to promote the load absorption of column wainscot to deform, suppress near the welding to above-mentioned post end
Displacement transfer, and will not externally visibly deform the hole portion of interception.
The effect of invention
According to the present invention, have the following effects that：Ensuring and to stud end for the load absorption amount in central post is sought
The overload input of the weld part in portion prevents, can prevent due to side collision load and the post end of column wainscot
Weld part is peeled off.
Brief description of the drawings
Fig. 1 is the side view for the sidepiece body Structure that the automobile of the present invention is shown with the state from car indoor.
Fig. 2 (a) be Fig. 1 line A-A to regarding sectional view, (b) is Fig. 1 line B-B to regarding sectional view.
Fig. 3 is the side view for the connecting portion that roof side rail and central post are shown with the state from car indoor.
Fig. 4 is Fig. 3 line C-C to regarding sectional view.
Fig. 5 is the side view for representing to possess the central post superstructure of the hole portion of deformation interception.
Fig. 6 is the side view for representing to possess the central post infrastructure of the hole portion of deformation interception.
Fig. 7 is the explanation figure of the state of strain when representing the side collision for the sidepiece body Structure of embodiment 1.
Fig. 8 is the explanation figure of the state of strain when representing the side collision for the sidepiece body Structure of embodiment 2.
Fig. 9 is the major part amplification profile for representing to deform the embodiment of the hole portion of interception.
Figure 10 is the major part amplification profile for representing to deform the comparative example 1 of the hole portion of interception.
Figure 11 is the major part amplification profile for representing to deform the comparative example 2 of the hole portion of interception.
Figure 12 is the major part amplification profile for representing to deform the comparative example 3 of the hole portion of interception.
Figure 13 is the explanation figure for representing to bear the two ways of side collision load in the sidepiece body Structure of automobile.
Figure 14 is the side view for the sidepiece body Structure that existing automobile is shown with the state from car indoor.
Symbol description：
5 ... roof side rails；9 ... side bars；12 ... central posts；13 ... column outer panels；14 ... column wainscots；16 ... central posts
Closed section；17th, 18 ... loads transmit suppressing portion；21st, 22 ... elongated holes (hole portion)；SW4, SW12 ... weld part be (post end
Weld part)；X1, X2 ... ridge line section
Embodiment
It is an object of the present invention to ensure the load absorption amount in central post, and prevent the weld part to post end
Overload is inputted, is prevented due to side collision load and the stripping of the weld part of the post end of column wainscot.Pass through following structure
Into realizing the purpose：A kind of sidepiece body Structure of automobile, possesses central post, and the engagement of its upper end is fixed to roof side rail, under
End engagement is fixed to side bar, and forms vertically extending closure by column outer panels and column wainscot and cut
Face, wherein, in above-mentioned column wainscot, ridge line section is generally perpendicularly prolonged from least one party in above-mentioned roof side rail and above-mentioned side bar
Stretch, the welding of above-mentioned column outer panels or the post end of above-mentioned side bar or above-mentioned roof side rail is soldered in above-mentioned column wainscot
Between portion and above-mentioned ridge line section, set more wider along vehicle fore-and-aft direction width than the above-below direction center side position of above-mentioned central post
And the load of general planar transmits suppressing portion.
[embodiment 1]
Hereinafter, one embodiment of the present of invention is described in detail based on accompanying drawing.
Accompanying drawing represents the sidepiece body Structure of automobile, and Fig. 1 is to show the sidepiece car body with the state from car indoor
The side view of the central post lower side of construction, Fig. 2 (a) be Fig. 1 line A-A to regarding sectional view, Fig. 2 (b) be Fig. 1 line B-B to
Depending on sectional view, Fig. 3 is the side view for the central post upper side that sidepiece body Structure is shown with the state from car indoor, figure
4 be Fig. 3 line C-C to regarding sectional view.
As shown in figure 4, being provided as the roof side rail 5 of car body strength part in vehicle body upper portion, the roof side rail has roof side rail
Outside portion 1, roof side rail inside portion 2 and roof side rail reinforcer 3, possesses the roof side rail closed section 4 extended along vehicle fore-and-aft direction.
As shown in Fig. 4, Fig. 3, roof side rail outside portion 1 has the longitudinal wall part 1b that 1a hangs down downwards from its upper end, and has
There is the joint flange portion 1c of the inner side extension from longitudinal wall part 1b lower end to overall width direction.
In addition, above-mentioned roof side rail reinforcer 3 has the joint flange portion that end extends to overall width direction inner side from it
3a。
Equally, above-mentioned roof side rail inside portion 2 also has the joint flange that end extends to overall width direction inner side from it
Portion 2a, these each joint flange portion 1c, 3a, 2a engage fixation by spot welding method etc..
As shown in figure 1, in lower car body, the side bar 9 of car body strength part is provided as, the side bar 9 has outside side bar
Sidepiece, side bar inside portion 6 and side bar reinforcer 7, possesses the side bar closed section 8 extended along vehicle fore-and-aft direction.
As shown in figure 3, during the opening front door 10 shown in Fig. 1, Fig. 3 and back door opening 11 are separated along vehicle fore-and-aft direction
Column 12, the engagement of its upper end is fixed to roof side rail 5, and as shown in figure 1, the engagement of its bottom is fixed to side bar 9.
In addition, as shown in Fig. 2 (a), Fig. 2 (b), the central post 12 is car body strength part, its have column outer panels 13,
Column wainscot 14 and pillar reinforcement 15, possesses the central post closed section 16 along the above-below direction extension of vehicle.
As shown in Fig. 2 in above-mentioned column wainscot 14, possess joint flange portion 14a, the vehicle rear-side of vehicle front side
Joint flange portion 14b and joint flange portion 14a, 14b before and after these between wainscot main body 14c.
As shown in figure 3, the joint flange portion 14a of the front side of column wainscot 14 is at an upper portion thereof by based on spot welding method
Multiple weld part SW1, SW2, SW3 and be welded and fixed to column outer panels 13, central post reinforcer 15 and roof side rail outside portion 1.
As shown in the figure, the joint flange portion 14b of the rear side of column wainscot 14 is led by middle spot welding method at an upper portion thereof
Multiple weld part SW4, SW5, SW6 for causing and be welded and fixed to column outer panels 13, on the outside of central post reinforcer 15 and roof side rail
Portion 1.
In addition, in figure 3, each weld part is represented by X marks.
As shown in figure 1, the joint flange portion 14a of the front side of column wainscot 14 passes through based on spot welding method in its underpart
Multiple weld part SW7, SW8, SW9 and engage and be fixed to column outer panels 13, central post reinforcer 15 and side bar 9.
As shown in the figure, the joint flange portion 14b of the rear side of column wainscot 14 passes through based on spot welding method in its underpart
Multiple weld part SW10, SW11, SW12 and be welded and fixed to column outer panels 13, central post reinforcer 15 and side bar 9.
In addition, in Fig. 4, each weld part is represented with small empty quadrilateral shape.
As shown in Figure 1, Figure 3, between the joint flange portion 14b and wainscot main body 14c of the rear side of column wainscot 14,
Ridge line section X1, X2 extends substantially vertically from both side bar 9 and roof side rail 5.
From the ridge line section X2 (reference picture 3) that laterally lower section extends substantially vertically of roof side rail 5 and from side bar 9 on the side
The ridge line section X1 (reference picture 1) just extended substantially vertically is continuously formed along the vertical direction.
Moreover, as shown in figure 3, between the weld part SW4 and above-mentioned ridge line section X2 of column upper end, central post is compared in setting
12 above-below direction center side position is wider along vehicle fore-and-aft direction width and the load of general planar transmits suppressing portion 17, at this
At weld part SW4, column wainscot 14 is soldered to column outer panels 13 and roof side rail 5.
Equally, as shown in figure 1, being soldered to the column lower end portion of column outer panels 13 and side bar 9 in column wainscot 14
Between weld part SW12 and above-mentioned ridge line section X1, above-below direction center side position than central post 12 is set along vehicle fore-and-aft direction
Width is wider and the load of general planar transmits suppressing portion 18.
That is, in vehicle body upper portion, as shown in figure 3, not making above-mentioned ridge line section X2 top or even upper end connecing along rear side
The end edge shape on conjunction flange part 14b tops, but the more past tops of ridge line section X2, gradually from joint flange portion 14b end edge
Separation so that ridge line section X2 is extended substantially vertically, by between ridge line section X2 and the weld part SW4 of column upper end compared with
Broadly set, the interval between both X2, SW4 forms the load transmission suppression of general planar along vehicle fore-and-aft direction width expansion
Portion 17 processed.
Equally, in lower car body, as shown in figure 1, do not make above-mentioned ridge line section X1 bottom so that bottom along rear side
The end edge shape of joint flange portion 14b bottoms, but the more past lower sections of ridge line section X1, gradually from joint flange portion 14b rear end
Fate from so that ridge line section X1 is extended substantially vertically, by the ridge line section X1 and weld part SW12 in column lower end portion it
Between widely set, the interval between both X1, SW12 is along vehicle fore-and-aft direction width expansion, and the load for forming general planar passes
Pass suppressing portion 18.
In addition, in Fig. 1,19 be bottom panel, and 19a is that the engagement being bent to form in the overall width direction end of bottom panel 19 is convex
Edge, in Fig. 4,20 be roof panel.In addition, in figure, arrow F represents vehicle front, and arrow R represents rear view of vehicle, arrow
IN represents the inner side in overall width direction, and arrow OUT represents the outside in overall width direction.
So, the sidepiece body Structure of the automobile for the embodiment 1 that Fig. 1 is shown into Fig. 4 is the automobile for possessing central post 12
Sidepiece body Structure, in the central post 12, upper end engagement is fixed to roof side rail 5, and bottom engagement is fixed to side bar 9,
And vertically extending central post closed section 16 is formed by column outer panels 13 and column wainscot 14, upper
State column wainscot 14, ridge line section X2, X1 from least one party in above-mentioned roof side rail 5 and above-mentioned side bar 9 (in this embodiment,
Roof side rail 5 and side bar 9 both) extend substantially vertically, above-mentioned column wainscot 14 be soldered to above-mentioned column outer panels 13 or
Between weld part SW12, SW4 of the post end of above-mentioned side bar 9 or above-mentioned roof side rail 5 and above-mentioned ridge line section X1, X2, ratio is set
The above-below direction center side position of above-mentioned central post 12 is wider along vehicle fore-and-aft direction width and the load transmission of general planar presses down
Portion 18,17 (reference picture 1, Fig. 2, Fig. 3) processed.
According to this composition, suppressing portion is transmitted by setting along the load of vehicle fore-and-aft direction wider width and general planar
18th, 17, so as to significantly allow the car room of column wainscot 14 by the side collision load transmitted via ridge line section X1, X2
Inner side deforms, and reduces the progress to the deformation near weld part SW12, SW4, it can be ensured that the load absorption amount in central post 12,
And weld part SW12, SW4 of post end is prevented to be transfused to overload.
Thus it is possible to increase the load absorption deformation of central post 12, weld part SW12, SW4 to post end are reduced
The progress of deformation, it can prevent due to side collision load and weld part SW12, SW4 of the post end of column wainscot 14 stripping
From the reduction and central post 12 for suppressing the overall width direction endurance of central post 12 increase to the inlet of car indoor.
[embodiment 2]
Fig. 5, Fig. 6 represent another embodiment of sidepiece body Structure of automobile, and Fig. 5 is the hole portion for representing to possess deformation interception
Central post superstructure side view, Fig. 6 is the side of the central post infrastructure for the hole portion for representing to possess deformation interception
Figure.
As shown in figure 5, in the upper side of central post 12, except the construction of embodiment 1, the construction particularly shown in Fig. 3 with
Outside, the elongated hole 21 of the hole portion as deformation interception is formed between the weld part SW4 of ridge line section X2 and column upper end.
Moreover, in the side of roof side rail 5 of central post 12, column of the above-mentioned elongated hole 21 in the weld part SW4 of column upper end
Fore-and-aft direction center side and downside are formed as small radius of curvature.
In addition, in this embodiment, elongated hole 21 is shown as hole portion, so the half-round of the downside of the elongated hole 21
Radius of curvature is identical with the radius of curvature of the half-round of upside, but in order to reach desired purpose, can also only make downside
Half-round be small radius of curvature, it is bigger than the radius of curvature of the half-round of downside on the half-round of upside, its radius of curvature.
So, between the weld part SW4 of above-mentioned ridge line section X2 and above-mentioned column upper end, as shown in figure 5, forming conduct
The elongated hole 21 of the hole portion of interception is deformed, according to this composition, is stopped by the elongated hole 21 of above-mentioned deformation interception along with ridge line section
The expansion of modified difference near the weld part SW4 of X2 and column upper end and the weld part SW4 towards the column upper end grows up
Tree-shaped (finger-like) stress bang path, promote the load absorption at the periphery of elongated hole 21 to deform, so as to promote column
The load absorption deformation of wainscot 14, and suppress to the displacement transfer near the weld part SW4 of above-mentioned column upper end.
In addition, in the side of roof side rail 5 of above-mentioned central post 12, above-mentioned elongated hole 21 column upper end weld part SW4 it is vertical
Post fore-and-aft direction center side and downside, and on the outside of the weld part SW4 of column upper end column fore-and-aft direction and close to upper
The position for stating hole portion is compared, and is formed as smaller radius of curvature (reference picture 5), according to this composition, due to by above-mentioned elongated hole 21
Column fore-and-aft direction center side and downside are formed as small radius of curvature, thus stress becomes easily to concentrate on the small radius of curvature
Portion, the deformation at the position can be promoted.
That is, because load-transferring path is from the neutral column load of the ridge line section X2 near the weld part SW4 of column upper end
Input point side (that is, relative to weld part SW4 of column upper end in lower section) extends, it is thus possible in the song of above-mentioned elongated hole 21
The small position of rate radius, the load of transmission is effectively converted into load absorption deformation.
So compared with hole portion to be set to the situation of positive round shape, the weld part SW4 sides to column upper end can be suppressed
The deformation on periphery is carried out, and can be formed as small elongated hole 21, thus the car of central post 12 caused by can also preventing the elongated hole 21
The reduction of cross direction endurance.
In other words, in order to relax input to the weld part SW4 of column upper end shearing force, the welding in column upper end
Portion SW4 nearby (neutral column load input side) sets the elongated hole 21 of deformation interception, is formed as making strain concentrate on the elongated hole
21 peripheries, the weld part SW4 of column upper end are not peeled off, furthermore, it by making hole portion be elongated hole 21, can become the girth in hole
Greatly, just coped with small-bore (small aperture area), reduce the risk of rupture since hole portion.
As shown in fig. 6, in the lower side of central post 12, except the construction of embodiment 1, the construction particularly shown in Fig. 1 with
Outside, the elongated hole 22 of the hole portion as deformation interception is formed between the weld part SW12 in ridge line section X1 and column lower end portion.
Moreover, in the side of side bar 9 of central post 12, above-mentioned elongated hole 22 is before the weld part SW12 in column lower end portion column
Rear is to center side and upside, and on the outside of the weld part SW12 in column lower end portion column fore-and-aft direction and close to above-mentioned hole
The position in portion is compared, and is formed as smaller radius of curvature.
In addition, in this embodiment, elongated hole 22 is shown as hole portion, thus the half-round of the upside of the elongated hole 22
Radius of curvature is identical with the radius of curvature of the half-round of downside, but in order to reach desired purpose, can also only make upside
Half-round be small radius of curvature, it is bigger than the radius of curvature of the half-round of upside on the half-round of downside, its radius of curvature.
So, between the weld part SW12 in above-mentioned ridge line section X1 and above-mentioned column lower end portion, as shown in fig. 6, foring
As the elongated hole 22 of the hole portion of deformation interception, according to this composition, stopped by the elongated hole 22 of above-mentioned deformation interception along with rib
The expansion of modified difference near the weld part SW12 in line portion X1 and column lower end portion and towards the weld part in the column lower end portion
The stress bang path of tree-shaped (finger-like) of SW12 growth, the load absorption deformation at the periphery of elongated hole 22 is promoted, so as to
Enough promote the load absorption deformation of column wainscot 14, and suppress to the deformation near the weld part SW12 in above-mentioned column lower end portion
Transmit.
In addition, in the side of side bar 9 of above-mentioned central post 12, column of the above-mentioned elongated hole 22 in the weld part SW12 in column lower end portion
Fore-and-aft direction center side and upside, and on the outside of the weld part SW12 in column lower end portion column fore-and-aft direction and close to above-mentioned
The position of hole portion is compared, and is formed as smaller radius of curvature (reference picture 6), according to this composition, due to standing above-mentioned elongated hole 22
Post fore-and-aft direction center side and upside are formed as small radius of curvature, thus stress becomes easily to concentrate on the small radius of curvature portion,
The deformation at the position can be promoted.
That is, because load-transferring path is from the neutral column load of the ridge line section X1 near the weld part SW12 in column lower end portion
Input point side (that is) extends relative to the weld part SW12 in column lower end portion up, it is thus possible in above-mentioned elongated hole 22
The small position of radius of curvature, the load of transmission is effectively converted into load absorption deformation.
So compared with making the situation that hole portion is positive round shape, the weld part SW12 to column lower end portion can be suppressed
The deformation of side periphery is carried out, and can be formed as small elongated hole 22, thus central post 12 caused by can also preventing the elongated hole 22
The reduction of overall width direction endurance.
In other words, in order to relax input to the weld part SW12 in column lower end portion shearing force, the weldering in column lower end portion
Socket part SW12 nearby (neutral column load input side) sets the elongated hole 22 of deformation interception, is formed as making strain concentrate on the length
The periphery of hole 22, the weld part SW12 in column lower end portion are not peeled off, furthermore, by making hole portion be elongated hole 22, so as to make hole
Girth becomes big, is just coped with row small-bore (small aperture area), reduces the risk of rupture since hole portion.
If in addition, the aperture of the hole portion of enlargement deformation interception, the amount strained increases, but except due to expanding in aperture
Big and from hole portion rupture risk change is big, and the overall width direction endurance of central post 12 also reduces, thus preferably hole portion has long
Girth, and aperture area is small, and small aperture area and Zhou Chang great elongated hole (Fig. 5 elongated hole 21, Fig. 6 elongated hole 22) are as far as possible
Preferably.
Fig. 7 is the explanation figure for strain generating state when being constructed to verify that collision of the embodiment 1 shown in Fig. 1, Fig. 8
It is the explanation figure for strain generating state when being constructed to verify that side collision of the embodiment 2 shown in Fig. 6.
As can be seen from Figure 7, by setting load to transmit suppressing portion 18, strain concentrates on ridge line section X1, made the scheme of embodiment 1
Cut the weld part SW12 that stress does not enter column lower end portion.
As it can be observed in the picture that the scheme of embodiment 2, which in addition to above-mentioned load transmits suppressing portion 18, also sets up deformation, intercepts use
Elongated hole 22, so as to strain the upside hole edge department periphery for concentrating on ridge line section X1 and elongated hole 22, the welding for column lower end portion
The input of portion SW12 cutting stress further diminishes.
Fig. 9 to Figure 12 is the diagram for verifying the scattered situation strained caused by the direction of hole portion, and Fig. 9 is to represent that deformation intercepts
The major part amplification profile of the embodiment (embodiment 2 shown in reference picture 6) of elongated hole 22, Figure 10 is to represent that deformation is blocked
The major part amplification profile of the comparative example 1 for the hole portion cut, Figure 11 are the comparative examples 2 for representing to deform the hole portion of interception
Major part amplification profile, Figure 12 are the major part amplification profiles for representing to deform the comparative example of the hole portion of interception.
Fig. 9 is the sidepiece body Structure for the elongated hole 22 for possessing the embodiment 2 shown in Fig. 6, Fig. 8, and the elongated hole 22 is located at column
Among the weld part SW12 and ridge line section X1 of bottom vehicle fore-and-aft direction, and the pointing direction of elongated hole 22 is formed as and rib
Line portion X1 is almost parallel, thus as shown in figure 8, strain can be made to occur in desired position, mitigation is inputted to column lower end portion
Weld part SW12 shearing force.
In addition, elongated hole 22 is formed at the flange part 14b of column wainscot 14, on the other hand, facing with the elongated hole 22
Central post reinforcer 15 be not provided with hole portion.
Thus, from column wainscot 14 to the weld part in column lower end portion when preventing side collision from column wainscot 14
The stress bang path of SW12 growth, promote deformation of the column wainscot 14 at the position, simultaneously because not strengthening in central post
Part 15 sets hole portion, therefore can decline the rigidity of column caused by elongated hole 22 and be suppressed to Min..
The elongated hole 221 of comparative example 1 shown in Figure 10 is located at the weld part SW12 and ridge line section X1 in column lower end portion vehicle
Among fore-and-aft direction, and be formed as pointing vertically upwards the pointing direction of elongated hole 221.In the shape of such elongated hole 221,
For the viewpoint of productivity ratio, its lower end is set to leave predetermined distance with ridge line section X1, correspondingly the vehicle rear-side peritreme of elongated hole 221 connects
Nearly weld part SW12, the effect very little of strain is produced in the desired locations separated from weld part SW12.
The elongated hole 222 of comparative example 2 shown in Figure 11 is located at the weld part SW12 and ridge line section X1 in column lower end portion vehicle
Among fore-and-aft direction, and be formed as making the pointing direction of elongated hole 222 flatly point to, the vehicle rear-side peritreme of elongated hole 222 is non-
Very close to weld part SW12, relax smaller for elongated hole 221 of the effect of weld part SW12 shearing force than Figure 10.
The elongated hole 223 of comparative example 3 shown in Figure 12 is located at the weld part SW12 and ridge line section X1 in column lower end portion vehicle
Among fore-and-aft direction, and the pointing direction of elongated hole 223 is formed as and ridge line section X1 generally perpendicular directions, it is impossible to it is expected
Position produce strain, the effect relaxed for weld part SW12 shearing force do not see substantially.
So as shown in Figure 9, Figure 10, it is preferable that above-mentioned elongated hole 22,221 column lower end portion weld part SW12 it is vertical
Post fore-and-aft direction center side and upside are column above-below direction center side, and before the weld part SW12 in column lower end portion column
Rear is compared laterally and close to the position of above-mentioned elongated hole 22,221, is formed as smaller radius of curvature.
Certainly, the relation of the weld part SW4 of column upper end and above-mentioned elongated hole 21 similarly, the welding in column upper end
Portion SW4 column fore-and-aft direction center side and downside are column above-below direction center side, with the weld part SW4 in column upper end
Column fore-and-aft direction on the outside of and compare close to the position of above-mentioned elongated hole 21, be formed as smaller radius of curvature.
In addition, as shown in figure 9, more preferably above-mentioned elongated hole 22 is open to be formed substantially in parallel with ridge line section X1.
In other words, it is preferable that column fore-and-aft direction center side of the above-mentioned elongated hole 22 in the weld part SW12 in column lower end portion
And column above-below direction center side, and on the outside of the weld part SW12 in column lower end portion column fore-and-aft direction and column upper and lower
Compared to center side, be formed as smaller radius of curvature.
Thereby, it is possible to reduce the column above-below direction center side end of elongated hole 22 and weld part SW12 column fore-and-aft direction
Distance, and make strain in the desired locations separated with weld part SW12.
In the composition of the present invention is corresponding with above-described embodiment, the hole portion of deformation interception of the invention, which corresponds to, to be implemented
The elongated hole 21,22 of example, and the present invention is not only limited to the composition of above-described embodiment.
For example, the weld part SW1 to SW12 illustrated in the above-described embodiments can also replace the weld part based on spot welding, and adopt
With the weld part based on electric arc welding or laser welding.
Industrial applicibility：
As described above, the present application is applied to the sidepiece body Structure for possessing the automobile of central post, the central post
Upper end engagement be fixed to roof side rail, bottom engagement is fixed to side bar, and passes through column outer panels and column wainscot
Form vertically extending closed section.
Claims (6)
1. a kind of sidepiece body Structure of automobile, possesses central post, the upper end engagement of the central post is fixed to roof side rail, lower end
Portion's engagement is fixed to side bar, and the column by column wainscot and compared with the column wainscot on the outside of overall width direction
Outer panels or pillar reinforcement form vertically extending closed section, wherein,
Above-mentioned column wainscot possesses：Front side joint flange portion, on front side of vehicle fore-and-aft direction, it is fixed to via weld part
State column outer panels and above-mentioned pillar reinforcement；Rear side joint flange portion, on rear side of vehicle fore-and-aft direction, consolidate via weld part
Fixed extremely above-mentioned column outer panels and above-mentioned pillar reinforcement；And panel body, positioned at above-mentioned front side joint flange portion and above-mentioned
Between rear side joint flange portion,
In above-mentioned column wainscot, between above-mentioned rear side joint flange portion and above-mentioned panel body, ridge line section is from above-mentioned top
At least one party in beam and above-mentioned side bar extends substantially vertically,
Above-mentioned column outer panels, above-mentioned pillar reinforcement, above-mentioned side bar and above-mentioned roof side rail are soldered in above-mentioned column wainscot
Among at least one post end above-mentioned weld part and above-mentioned ridge line section between, set load transmit suppressing portion, with permit
Perhaps above-mentioned column wainscot deforms because of the side collision load come via above-mentioned ridge line section transmission to car indoor,
With the vehicle front and back between the above-mentioned weld part at the above-below direction center side position of above-mentioned central post and above-mentioned ridge line section
Compared to interval, the vehicle fore-and-aft direction interval between the above-mentioned weld part of above-mentioned load transmission suppressing portion and above-mentioned ridge line section is more
Width, and above-mentioned load transmits suppressing portion general planar.
2. the sidepiece body Structure of automobile as claimed in claim 1,
Between the weld part of above-mentioned ridge line section and above-mentioned post end, the hole portion of deformation interception is formed.
3. the sidepiece body Structure of automobile as claimed in claim 2,
Between the weld part of the above-mentioned post end of the side bar side of above-mentioned central post and above-mentioned ridge line section, the top of above-mentioned hole portion
For the position and the weld part side of the above-mentioned post end on vehicle fore-and-aft direction of the above-mentioned ridge line section side on vehicle fore-and-aft direction
Position compared to being formed as small radius of curvature.
4. the sidepiece body Structure of automobile as claimed in claim 2,
Between the weld part of the above-mentioned post end of the roof side rail side of above-mentioned central post and above-mentioned ridge line section, under above-mentioned hole portion
Portion is the position of the above-mentioned ridge line section side on vehicle fore-and-aft direction and the weld part of the above-mentioned post end on vehicle fore-and-aft direction
The position of side, which is compared, is formed as small radius of curvature.
5. the sidepiece body Structure of automobile as claimed in claim 2,
The above-below direction center side that above-mentioned hole portion states column more up compared with the weld part of above-mentioned post end protrudes.
6. the sidepiece body Structure of automobile as claimed in claim 2,
Above-mentioned hole portion is arranged at above-mentioned column wainscot, and by other panel blockings.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-150346 | 2014-07-24 | ||
| JP2014150346A JP6172079B2 (en) | 2014-07-24 | 2014-07-24 | Car side body structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105270479A CN105270479A (en) | 2016-01-27 |
| CN105270479B true CN105270479B (en) | 2018-04-03 |
Family
ID=55065604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510431226.1A Active CN105270479B (en) | 2014-07-24 | 2015-07-21 | The sidepiece body Structure of automobile |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US9637173B2 (en) |
| JP (1) | JP6172079B2 (en) |
| CN (1) | CN105270479B (en) |
| DE (1) | DE102015009401A1 (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105722746B (en) | 2013-11-15 | 2018-06-01 | 自动工程公司 | For manufacturing the beam of metal framework |
| DE102015106812B4 (en) * | 2015-04-30 | 2018-11-08 | Benteler Automobiltechnik Gmbh | Motor vehicle pillar with reinforcement plate and method for its production |
| JP6374895B2 (en) | 2016-02-09 | 2018-08-15 | 矢崎総業株式会社 | Connector unit |
| USD785504S1 (en) * | 2016-05-05 | 2017-05-02 | Fab Fours Inc. | Windshield protector |
| JP6421803B2 (en) | 2016-09-08 | 2018-11-14 | トヨタ自動車株式会社 | Vehicle side structure |
| DE102016118891A1 (en) * | 2016-10-05 | 2018-04-05 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | body component |
| JP6753302B2 (en) * | 2016-12-19 | 2020-09-09 | トヨタ自動車株式会社 | Center pillar structure |
| JP6627738B2 (en) * | 2016-12-19 | 2020-01-08 | トヨタ自動車株式会社 | Pillar structure |
| JP6555303B2 (en) * | 2017-07-28 | 2019-08-07 | マツダ株式会社 | Vehicle side body structure |
| US10464611B2 (en) * | 2017-12-20 | 2019-11-05 | Toyota Motor Engineering & Manufacturing North America, Inc. | Pillar assemblies for vehicles having sections formed of materials having different material properties |
| JP6682566B2 (en) | 2018-03-27 | 2020-04-15 | 株式会社豊田自動織機 | Body side structure |
| FR3094329B1 (en) * | 2019-03-29 | 2021-03-05 | Psa Automobiles Sa | LINER PART FOR A VEHICLE CENTRAL PILLAR, SUITABLE FOR A FIXED OR ADJUSTABLE SEAT BELT RETURN PART |
| JP2020203508A (en) * | 2019-06-14 | 2020-12-24 | マツダ株式会社 | Vehicle body side part structure |
| JP7259579B2 (en) * | 2019-06-18 | 2023-04-18 | マツダ株式会社 | side body structure |
| DE202020105963U1 (en) * | 2020-04-21 | 2020-10-29 | Benteler Automobiltechnik Gmbh | Automotive component |
| JP2022152413A (en) * | 2021-03-29 | 2022-10-12 | 本田技研工業株式会社 | Vehicle body side part structure |
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| US7510234B2 (en) * | 2006-08-09 | 2009-03-31 | Nissan Technical Center North America, Inc. | Vehicle frame structure |
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| JP2521560Y2 (en) * | 1991-04-03 | 1996-12-25 | 日産自動車株式会社 | Body joint structure |
| JP3182970B2 (en) * | 1993-03-10 | 2001-07-03 | トヨタ自動車株式会社 | Car body structure |
| JPH08175425A (en) * | 1994-12-22 | 1996-07-09 | Fuji Heavy Ind Ltd | Car body structure for automobile |
| US6129410A (en) * | 1998-05-12 | 2000-10-10 | Chrysler Corporation | Apparatus for reinforcing a body side panel of a motor vehicle |
| JP4045775B2 (en) * | 2001-10-24 | 2008-02-13 | マツダ株式会社 | Car side body structure |
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| US7357448B2 (en) * | 2005-06-06 | 2008-04-15 | Ford Global Technologies, Llc | Unitary hydroformed roof support pillar |
| JP5018412B2 (en) | 2007-11-09 | 2012-09-05 | トヨタ自動車株式会社 | Body structure |
| US7959217B2 (en) * | 2008-08-14 | 2011-06-14 | Honda Motor Co., Ltd. | Modified upper rear door hinge patch |
| JPWO2010055589A1 (en) * | 2008-11-17 | 2012-04-05 | トヨタ自動車株式会社 | Structural members for vehicles |
| JP2015089792A (en) * | 2013-11-07 | 2015-05-11 | トヨタ自動車株式会社 | Lower part structure of center pillar of vehicle |
| US9708685B2 (en) * | 2013-11-25 | 2017-07-18 | Magna International Inc. | Structural component including a tempered transition zone |
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2014
- 2014-07-24 JP JP2014150346A patent/JP6172079B2/en active Active
-
2015
- 2015-06-10 US US14/735,813 patent/US9637173B2/en active Active
- 2015-07-20 DE DE102015009401.7A patent/DE102015009401A1/en not_active Withdrawn
- 2015-07-21 CN CN201510431226.1A patent/CN105270479B/en active Active
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| US7510234B2 (en) * | 2006-08-09 | 2009-03-31 | Nissan Technical Center North America, Inc. | Vehicle frame structure |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102015009401A1 (en) | 2016-01-28 |
| US20160023683A1 (en) | 2016-01-28 |
| JP2016022909A (en) | 2016-02-08 |
| CN105270479A (en) | 2016-01-27 |
| JP6172079B2 (en) | 2017-08-02 |
| US9637173B2 (en) | 2017-05-02 |
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